/Engine/Source/Runtime/Core/Public/Virtualization/VirtualizationSystem.h
Create a request for a payload to be loaded on demand
FPushRequest ( const [FIoHash](API\Runtime\Core\IO\FIoHash) & InIdentifier, [IPayloadProvider](API\Runtime\Core\Virtualization\IPayloadProvider) & InProvider, [FString](API\Runtime\Core\Containers\FString) && InContext )